All vulnerabilities

Servers and applications

CVE-2022-30698

NLnet Labs Unbound, up to and including version 1.16.1 is vulnerable to a novel type of the "ghost domain names" attack. The vulnerability works by targeting an Unbound instance. Unbound is queried for a subdomain of a rogue domain name. The rogue nameserver returns delegation information for the subdomain that updates Unbound's delegation cache. This action can be repeated before expiry of the…

Severity
Medium 6.5
Published
1 Aug 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.16.2
Sources
NVD

Affected software

SoftwareAffected versions
UnboundServers and applications · cpe:a:nlnetlabs:unbound
  • Every version before 1.16.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-30698
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-30698